"It was fun having them there," Rob said. "They get to see their brother in front of 20 million people doing a gentlemen's dance. I think they thought it was pretty cool that I was doing my own thing."

"I was very comfortable and surprisingly not nervous," he says. "I was calm the entire time, which was awesome. I was happy. I don't even care about what the judges said. I was just happy that I was having fun."